Run details:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:130.0) Gecko/20100101 Firefox/130.0
Firefox 130
Ubuntu
Desktop
one year ago
Test name Executions per second
Lodash cloneDeep 205834.0 Ops/sec
Native map deep slice(turns objects into arrays) 12104642.0 Ops/sec
Native JSON parse 352292.1 Ops/sec
Native map deep slice at 0(turns objects into arrays) 9944006.0 Ops/sec
Native map(shallow clone) 24061312.0 Ops/sec
Recursive deep clone 1879915.9 Ops/sec
Map deep clone 469125.2 Ops/sec
Object.assign shallow clone 22656014.0 Ops/sec
structuredClone 140051.6 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests:
  • Lodash cloneDeep

  • Native map deep slice(turns objects into arrays)

  • Native JSON parse

  • Native map deep slice at 0(turns objects into arrays)

  • Native map(shallow clone)

  • Recursive deep clone

  • Map deep clone

  • Object.assign shallow clone

  • structuredClone